Set up in-door sunlight generation station

[zchen131]

We are going to set up an in-door sunlight generation station. The station will need a powerful bulb to simulate the sunlight. The goal for this station is to provide enough input power for the solar cell to generate a standard current which the natural sunlight is able to provide.

Record the standard current provided by natural sunlight, need to test

• [x] x-board

• [x] - y-board

• [x] + y-board

• [x] z-board

• [ ] all boards together Record the current provided by bulb in the station:

• [x] x-board

• [x] - y-board

• [x] + y-board

• [x] z-board

• [ ] all boards together

• [ ] Check the current generated by the bulb with all boards connected and match it with the current generated by the natural sunlight.

[zchen131]

X board working current is tested under 120V 60W 540Lumens bulb. The working current is 12.26 mA.

[zchen131]

Solar cell IV plot has been generated:
https://github.com/spacecraft-design-lab-2019/solar-characterization/blob/master/solariv.xlsx

The result indicates that the current in-door lamp is 2 times powerful compared with the natural sunlight at noon.

[zchen131]

• [x] Add filter to the current lamp setup.
• [x] plot IV curve at panel-level.

[zchen131]

After applying a 45-degree hot mirror:

1. -y board v-solar dropped from 3.8V to 3.5V with current in-door lamp set up.
2. Single solar cell voltage dropped from 2V to 1.7V with current in-door lamp set up.
3. Hor mirror is able to protect solar cells from too hot under a 20s test with and without a hot mirror.